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High chroma, intense red shade with excellent batch-to-batch color consistency.
Optimized for low migration and high lightfastness in demanding polymer applications.
Excellent thermal stability up to 280 °C, suitable for injection molding and extrusion processes.
Free of heavy metals and compliant with major global regulatory frameworks including EU REACH and US FDA 21 CFR §178.3297.
Easy dispersibility in polyolefins, engineering plastics, and thermoplastic elastomers without additional dispersing aids.
Polypropylene (PP) and polyethylene (PE) packaging films and containers.
Automotive interior components including dashboards, trim, and air vents.
Household appliances housings and functional parts requiring long-term color retention.
Medical device housings where regulatory compliance and color stability are critical.
Consumer electronics casings and accessories exposed to UV and thermal stress.
| Chemical Type | Organic pigment dispersion (quinacridone-based) |
| Product Form | Viscous, non-dusting paste |
| Appearance | Uniform dark red paste |
| Primary Applications | Polyolefins, ABS, PS, TPE, and engineering thermoplastics |
| Key Features | High heat stability, low volatility, excellent dispersion behavior |
| Benefits | Reduced processing downtime, consistent coloration, broad regulatory acceptance |
| Recommended Loading Range | 0.5–3.0 wt% depending on substrate and required shade depth |
| Storage Conditions | Store at 10–30 °C; protect from freezing and direct sunlight |
Q1: What is the primary application field for Hostatint Red E-F3RKD Color Paste?
A: Hostatint Red E-F3RKD is a high-performance organic pigment dispersion specifically developed for coloring polyolefin compounds, especially in injection molding and extrusion applications where excellent thermal stability and dispersion quality are required.
Q2: Is this color paste suitable for food-contact plastics?
A: Hostatint Red E-F3RKD is formulated to meet general requirements for food-contact applications in polyolefins, subject to compliance with applicable regional regulations. Final regulatory clearance depends on the complete formulation, processing conditions, and end-use scenario — users must verify suitability with their regulatory team and local authorities.
Q3: How should Hostatint Red E-F3RKD be incorporated into polyolefin compounds?
A: It is typically added directly to the polymer matrix during compounding using standard melt-mixing equipment such as twin-screw extruders. Good dispersion is achieved under typical processing temperatures and shear conditions used for polyolefins; pre-drying is not required.
Q4: What are the key handling and storage recommendations?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and sources of heat. Avoid freezing, and ensure containers remain tightly closed when not in use to prevent skinning or moisture uptake.
Q5: Does this paste contain heavy metals or restricted aromatic amines?
A: Hostatint Red E-F3RKD is manufactured without intentionally added heavy metals and is free from azo dyes that cleave to listed aromatic amines under prescribed testing conditions. Its composition aligns with Clariant’s commitment to responsible chemistry and evolving global stewardship expectations.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
